Performing soft reset and factory data reset ( master reset or hard reset ) LG Optimus 7 LG-E900 via Settings menu:
- tap Applications from home screen
- tap Settings
- tap About
- tap Reset your phone.
Warning! All data will be erased from device memory, including system and application data, settings and downloaded applications. Back up your important data. The device will restore to factory settings.
Performing soft reset
If your phone hangs or does not responding, try to Press and hold power key about 10 seconds. It will rebooting automatically. Or try to remove and re insert the battery and SIM Card.